Width x Depth x Height: 46 x 78 x 160mm Distance to measurement range ratio (D vs S): 10 to 1 Measurement resolution 0.1℃: less than 100℃, 1℃: Automatic switching over 100℃ Measurement temperature range (°C): -40 to 250 Temperature minimum display (°C): 0.1/1 Distance与测量范围比率(D VS S):10至1 电源(V):9V锰干电池(006p)x 1(包括) 发射率:0.98,0.92,0.85